/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.transport.rest.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.AsyncEvent;
import javax.servlet.AsyncListener;
import javax.servlet.ServletResponse;

public class RestAsyncListener implements AsyncListener {
  @Override
  public void onComplete(AsyncEvent event) throws IOException {
    // 未使用
  }

  @Override
  public void onTimeout(AsyncEvent event) throws IOException {
    // TODO:超时的处理，要重新考虑
    ServletResponse response = event.getAsyncContext().getResponse();
    PrintWriter out = response.getWriter();
    out.write("TimeOut Error in Processing");
  }

  @Override
  public void onError(AsyncEvent event) throws IOException {
    // 未使用
  }

  @Override
  public void onStartAsync(AsyncEvent event) throws IOException {
    // 未使用
  }
}
